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1.
When you pretend like your gona go down on someone and then you blow on their belly instead makin em laugh and squirm. IT drives them nuts and they cant take it. You blow on their skin on the sides or lower belly.
I tricked them . I Blew their belly and they went nuts.
by bnooke February 27, 2005
 
2.
When someone blows one's Belly in order to make this person laugh
I bellyblowed her to the ground
by marchu December 18, 2010